{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular*}{\hsize}{@{\hskip\tabcolsep\extracolsep\fill}l*{6}{c}}
\toprule
                    &\multicolumn{2}{c}{Democratic Turnout} &\multicolumn{2}{c}{Republican Turnout} &\multicolumn{2}{c}{Independent Turnout}\\\cmidrule(lr){2-3}\cmidrule(lr){4-5}\cmidrule(lr){6-7}
                    &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}&\multicolumn{1}{c}{(5)}&\multicolumn{1}{c}{(6)}\\
                    &\multicolumn{1}{c}{Model}&\multicolumn{1}{c}{Model}&\multicolumn{1}{c}{Model}&\multicolumn{1}{c}{Model}&\multicolumn{1}{c}{Model}&\multicolumn{1}{c}{Model}\\
\midrule
\emph{Panel A: First stage}&                   &                   &                   &                   &                   &                   \\
Mean wind potential * time&     0.357\sym{**} &     0.352\sym{*}  &     0.346\sym{*}  &     0.354         &     0.394\sym{*}  &     0.375         \\
                    &   (0.175)         &   (0.187)         &   (0.202)         &   (0.216)         &   (0.218)         &   (0.237)         \\
\bottomrule
\end{tabular*}
}
{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular*}{\hsize}{@{\hskip\tabcolsep\extracolsep\fill}l*{6}{c}}
\toprule
\midrule
\emph{Panel B: IV}         &                      &                      &                      &                      &                      &                      \\
log(Cumulative capacity+1) &       -0.048         &                      &       -0.037         &                      &        0.103         &                      \\
                           &      (0.046)         &                      &      (0.063)         &                      &      (0.123)         &                      \\
log(Cumulative count+1)    &                      &       -0.048         &                      &       -0.036         &                      &        0.108         \\
                           &                      &      (0.047)         &                      &      (0.062)         &                      &      (0.130)         \\
\midrule
Observations               &          145         &          145         &          125         &          125         &           84         &           84         \\
Districts                  &          127         &          127         &          112         &          112         &           76         &           76         \\
\(R^{2}\)                  &         0.20         &         0.20         &         0.07         &         0.06         &         0.12         &         0.08         \\
\bottomrule
\multicolumn{7}{l}{\footnotesize \sym{*} \(p<0.10\), \sym{**} \(p<0.05\), \sym{***} \(p<0.01\)}\\
\end{tabular*}
}
